<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width.initial-scale=1.shrink-to-fit=no">
    <link rel="stylsheet" href="../command/bootstrap-4.3.1/css/bootstrap-grid.min.css">
    <script src="../command/jquery/dist/jquery.min.js"></script>
    <script src="../command/bootstrap-4.3.1/js/bootstrap.min.js"></script>
    <script src="../command/bootstrap-4.3.1/js/bootstrap.bundle.min.js"></script>
    <title>form</title>
</head>
<body>
      <form>
          <div class="form-group">
              <label for ="username">账号</label>
              <input type ="text" class="form-control" id="username">
          </div>

          <div class="form-group">
              <label for ="password">密码</label>
              <input type ="password" class="form-control" id="password">
          </div>
          <button type ="button" class="btn btn-primary">登录</button>
      </form>
<br/>
<hr>
<form class="form-inline">
    <label for="usernamel">账号1：</label>
    <input type="text" class="form-control" id="usernamel">
    <label for="password1">密码1：</label>
    <input type="password" class="form-control" id="passwordl">
    <button type="button" class="btn btn-primary">登录1</button>

</form>
</body>
</html>